/*
 * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.activiti.engine.impl.bpmn.parser.handler;

import org.activiti.bpmn.model.BaseElement;
import org.activiti.bpmn.model.BpmnModel;
import org.activiti.bpmn.model.CompensateEventDefinition;
import org.activiti.bpmn.model.EventDefinition;
import org.activiti.bpmn.model.LinkEventDefinition;
import org.activiti.bpmn.model.Message;
import org.activiti.bpmn.model.MessageEventDefinition;
import org.activiti.bpmn.model.SignalEventDefinition;
import org.activiti.bpmn.model.ThrowEvent;
import org.activiti.engine.impl.bpmn.parser.BpmnParse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**

 */
public class IntermediateThrowEventParseHandler extends AbstractActivityBpmnParseHandler<ThrowEvent> {

    private static final Logger logger = LoggerFactory.getLogger(IntermediateThrowEventParseHandler.class);

    public Class<? extends BaseElement> getHandledType() {
        return ThrowEvent.class;
    }

    protected void executeParse(BpmnParse bpmnParse, ThrowEvent intermediateEvent) {
        EventDefinition eventDefinition = null;
        if (!intermediateEvent.getEventDefinitions().isEmpty()) {
            eventDefinition = intermediateEvent.getEventDefinitions().get(0);
        }

        if (eventDefinition instanceof SignalEventDefinition) {
            SignalEventDefinition signalEventDefinition = (SignalEventDefinition) eventDefinition;
            intermediateEvent.setBehavior(
                bpmnParse
                    .getActivityBehaviorFactory()
                    .createIntermediateThrowSignalEventActivityBehavior(
                        intermediateEvent,
                        signalEventDefinition,
                        bpmnParse.getBpmnModel().getSignal(signalEventDefinition.getSignalRef())
                    )
            );
        } else if (eventDefinition instanceof CompensateEventDefinition) {
            CompensateEventDefinition compensateEventDefinition = (CompensateEventDefinition) eventDefinition;
            intermediateEvent.setBehavior(
                bpmnParse
                    .getActivityBehaviorFactory()
                    .createIntermediateThrowCompensationEventActivityBehavior(
                        intermediateEvent,
                        compensateEventDefinition
                    )
            );
        } else if (eventDefinition instanceof MessageEventDefinition) {
            MessageEventDefinition messageEventDefinition = (MessageEventDefinition) eventDefinition;
            Message message = bpmnParse.getBpmnModel().getMessage(messageEventDefinition.getMessageRef());

            BpmnModel bpmnModel = bpmnParse.getBpmnModel();
            if (bpmnModel.containsMessageId(messageEventDefinition.getMessageRef())) {
                messageEventDefinition.setMessageRef(message.getName());
                messageEventDefinition.setExtensionElements(message.getExtensionElements());
            }

            intermediateEvent.setBehavior(
                bpmnParse
                    .getActivityBehaviorFactory()
                    .createThrowMessageEventActivityBehavior(intermediateEvent, messageEventDefinition, message)
            );
        } else if (eventDefinition instanceof LinkEventDefinition linkEventDefinition) {
            intermediateEvent.setBehavior(
                bpmnParse
                    .getActivityBehaviorFactory()
                    .createThrowLinkEventActivityBehavior(intermediateEvent, linkEventDefinition)
            );
        } else if (eventDefinition == null) {
            intermediateEvent.setBehavior(
                bpmnParse
                    .getActivityBehaviorFactory()
                    .createIntermediateThrowNoneEventActivityBehavior(intermediateEvent)
            );
        } else {
            logger.warn("Unsupported intermediate throw event type for throw event " + intermediateEvent.getId());
        }
    }

    //
    // Seems not to be used anymore?
    //
    // protected CompensateEventDefinition
    // createCompensateEventDefinition(BpmnParse bpmnParse,
    // org.activiti.bpmn.model.CompensateEventDefinition eventDefinition,
    // ScopeImpl scopeElement) {
    // if(StringUtils.isNotEmpty(eventDefinition.getActivityRef())) {
    // if(scopeElement.findActivity(eventDefinition.getActivityRef()) == null) {
    // bpmnParse.getBpmnModel().addProblem("Invalid attribute value for 'activityRef': no activity with id '"
    // + eventDefinition.getActivityRef() +
    // "' in current scope " + scopeElement.getId(), eventDefinition);
    // }
    // }
    //
    // CompensateEventDefinition compensateEventDefinition = new
    // CompensateEventDefinition();
    // compensateEventDefinition.setActivityRef(eventDefinition.getActivityRef());
    // compensateEventDefinition.setWaitForCompletion(eventDefinition.isWaitForCompletion());
    //
    // return compensateEventDefinition;
    // }
}
